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 Commercial Special Inspections

What is a Special Inspection?

A special inspection is an inspection required by code for material testing, installation, fabrication, erection or replacement of components and connections requiring special expertise to ensure compliance with approved construction documents and codes. A special inspection is required for items listed in the International Building Code or the Montgomery County Special Inspection Manual.

Who Decides When Special Inspections are Required?

The Structural Engineer in charge of design of the structural elements of the building is to identify those components that are required by the code to be subject to special inspections. A DPS plan review engineer reviews drawings, the Statement of Special Inspection and the Tower Crane Inspection Requirements submitted with a building permit application to verify if the building elements as identified by the Structural Engineer of Record are subject to Special Inspection.

What to do Prior to Permit Issuance.

When a structure has been identified to be subject to special inspections, the owner or his/her representative must do the following prior to permit issuance:

  • Review and comply with Special Inspection Program Manual
  • Complete and return the Montgomery County Statement of Special Inspection
  • Set-up a pre-construction meeting with DPS to review requierements of Special Inspection Program 

What are the Costs?

All fees and costs related to the performance of special services provided by third-party inspections are paid by the building owner.


Application Package
Application Statement of Special Inspection
Submittal Guidelines Montgomery County Special Inspection Manual
Tower Crane Inspections Tower Crane Inspection Requirements
Fees and Taxes
Fees No fees paid to DPS
Credit Card Authorization Form Credit Card Authorization Form
Bond Information No bonds
Codes, Standards, Executive Regulations
Montgomery County Code Chapter 8 Montgomery County Code Chapter 8
International Building Code International Building Code
Guidelines, Memorandum of Understandings, Interpretations
See Above See Above
Inspection Requirements
Special Inspections Required Statement of Special Inspection
Tower Crane Inspections Tower Crane Inspection Requirements
Frequently Asked Questions
311 Web Portal: Enter key word "Special Inspections"
Online Permitting Status Information and Inspections
Online Permit Status, Inspection Scheduling and Canceling Search DPS
Call for More Information
In Montgomery County
Outside of Montgomery County 240-777-0311
Other Agencies to Contact
Other Agencies and Utilities to Contact Allegheny Power
  American Institute of Architects (AIA)
  American National Standards Institute (ANSI)
  American Society of Heating, Refrigerating & Air Conditioning Engineers (ASHRAE)
  Baltimore Gas & Electric Co. (BG&E)
  Board of Appeals
  Historical Preservation
  International Code Council (ICC)
  Maryland Department of Assessments and Taxation
  Maryland Department of the Environment
  Maryland Division of State Documents
  Masonry Institute of America (MIA)
  Miss Utility
  National Glass Association (NGA)
  MNCPPC: Historic Area Work Permits
  MNCPPC: MC Atlas
  MNCPPC: Zoning
  National Fire Protection Association (NFPA)
  Potomac Electric Power Company (PEPCO)
  U.S. Department of Energy (DOE) by Pacific Northwest National Laboratory (PNNL)
  Washington Gas Light Co.